Midwives & Doulas: Child

I'm pregnant with my first child and due at the end of Octobor. I'm working with two great midwives through the Women's Health Alliance at Baylor in Dallas - Cecily Floyd and Jane Singer. My question is whether or not I need a doula along with a midwife. I was told they'll (one of the midwives) be there the entire labor and delivery, and my husband will be helping to coach me as well, so would a doula just make for too many people in the room? I've heard great things about the help they can offer but just wondering if it's worth the...